<!DOCTYPE html>
<html lang="zh-cn">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        //利用new Object() 创建对象
        var obj1 = new Object();
        //利用字面量 创建对象
        var obj2 = {

        }
        //利用构造函数创建对象
        function Star(uname, age) {
            this.uname = uname;
            this.age = age;
            this.sing = function () {
                console.log("我会唱歌");
            }
        }
        var ldh = new Star("刘德华", 18);
        var zxy = new Star("张学友", 1);
        console.log(ldh);
        ldh.sing();
        zxy.sing();
    </script>
</body>

</html>